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Democratic Secretary of State Alexi Giannoulias is running unopposed in his primary run for reelection.

For the GOP nomination for secretary of state, Joliet resident Diane M. Harris is going up against Chicagoan Walter Adamczyk for the right to compete against Giannoulias in November’s general election.

The office has arguably the most interaction with the public of any at the state level, providing a host of services that include driver’s licenses and testing and other state IDs, registrations for vehicles, lobbyists, businesses and other services.

Votes will be counted in contested races after polls close in Illinois at 7 p.m. See statewide election results here. Last minute questions about voting? View our voter guide.